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Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
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Published on: January 14, 2020

Three-dimensional color holographic display.

B P Ketchel1, C A Heid, G L Wood

  • 1US Army Research Laboratory, 2800 Powder Mill Road, Adelphi, Maryland 20783-1197, USA.

Applied Optics
|March 8, 2008
PubMed
Summary
This summary is machine-generated.

Researchers recorded 3D color holograms in strontium barium niobate (SBN:60) crystals, achieving true color reproduction and demonstrating angle multiplexing for storing multiple images.

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Area of Science:

  • Optics and Photonics
  • Materials Science
  • Holography

Background:

  • Photorefractive crystals are crucial for holographic data storage.
  • Strontium barium niobate (SBN:60) is a well-known photorefractive material.
  • Achieving true color 3D holography remains a challenge.

Purpose of the Study:

  • To record and reconstruct 3D color holograms using cerium-doped SBN:60.
  • To demonstrate the feasibility of angle multiplexing for 3D color holograms.
  • To compare experimental results with theoretical predictions.

Main Methods:

  • Recording 3D color holograms in cerium-doped SBN:60 crystals.
  • Utilizing angle tuning of the reference beam for multiplexing.
  • Comparing reconstructed holograms with original objects and theoretical models.

Main Results:

  • Successful reconstruction of true color 3D holograms.
  • Achieved an observable field of view of 37 degrees.
  • Demonstrated angle multiplexing with a storage separation angle of 0.082 degrees.

Conclusions:

  • Cerium-doped SBN:60 is a viable medium for 3D color holography.
  • The demonstrated techniques enable storage of multiple 3D color images.
  • Experimental findings align with theoretical expectations, validating the approach.